2011–12 Scarlets season
The 2011–12 season is the ninth in the history of the Scarlets regional side. In this season, they will compete in the Pro12, the Heineken Cup and the LV Cup.
Pre-season and friendlies
RaboDirect Pro 12
| Pos | Club | Pld | W | D | L | F | A | PD | BP | Pts |
| 4 |  Glasgow | 22 | 13 | 4 | 5 | 445 | 321 | 124 | 5 | 65 |
| 5 |  Scarlets | 22 | 12 | 2 | 8 | 446 | 373 | 73 | 10 | 62 |
| 6 |  Ulster | 22 | 12 | 0 | 10 | 474 | 424 | 50 | 8 | 56 |
Anglo-Welsh Cup
Group stage
| Date | Opponents | H / A | Result F–A | Scorers | Attendance | Pool position |
| 15 October 2011 | Leicester Tigers | H | Try: Murphy 13', 33', Gilbert 35', Li. Williams 68', J. Williams 80+1' Con: A. Thomas, J. Williams | 6,314 | 3rd | |
| 23 October 2011 | Cardiff Blues | A | Try: Warren 2', Myhill 18', Pugh 67', Murphy 74' Con: A. Thomas Pen: A. Thomas 10', 56' | 6,931 | 1st | |
| 28 January 2012 | London Irish | H | Try: Iongi 27', 80+1', Manu 58' Con: Newton Pen: Newton 13', 69' | 8,117 | 1st | |
| 3 February 2012 | Sale Sharks | A | Try: P. Edwards 32' Pen: Newton 18', 28', S. Jones 72' | 3,012 | 1st |
| Team | Pld | W | D | L | F | A | PD | BP | Pts |
| Scarlets | 4 | 3 | 0 | 1 | 102 | 44 | 58 | 3 | 15 |
| Harlequins | 4 | 2 | 0 | 2 | 112 | 108 | 4 | 3 | 11 |
| Newcastle Falcons | 4 | 2 | 0 | 2 | 127 | 93 | 34 | 2 | 10 |
| Gloucester | 4 | 2 | 0 | 2 | 106 | 73 | 33 | 2 | 10 |
Knock-out stage
Heineken Cup
| Team | Pld | W | D | L | F | A | PD | BP | Pts |
| Munster | 6 | 6 | 0 | 0 | 163 | 118 | +45 | 1 | 25 |
| Scarlets | 6 | 3 | 0 | 3 | 119 | 124 | −5 | 3 | 15 |
 Northampton Saints | 6 | 2 | 0 | 4 | 176 | 160 | +16 | 4 | 12 |
 Castres | 6 | 1 | 0 | 5 | 111 | 167 | −56 | 3 | 7 |